* {
    margin: 0;
    padding: 0;
}

/*---------------------------------------------------------------head-------------------------------------------------------------------*/
#front_head {
    height: 50px;
    background-color: #138ED4;
}

#front_menu {
    float: left;
    width: 200px;
    /*border-right: 1px solid black;*/
    height: 100%;
    overflow: hidden;
}


#front_content {
    margin-left: 200px;
    height: 100%
}